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11) We remove sources of deleted mounts making them actually deleted (from "service" mount namespace), as moving deleted mounts is not allowed and just to simplify things we do it at the last step.
11) We remove sources of deleted mounts making them actually deleted (from "service" mount namespace), as moving deleted mounts is not allowed and just to simplify things we do it at the last step.
==== Links ====
"Virtuozzo" (original) version (using non-mainstream kernel interface): [[Mounts-v2-Virtuozzo|Mounts-v2-Virtuozzo]] It actually has cool features we don't have in mainstream yet, for instance - nested pidns proc handling, this feature requires nested pidns support beforehand.
MOVE_MOUNT_SET_GROUP kernel feature: [https://github.com/torvalds/linux/commit/9ffb14ef61bab83fa818736bf3e7e6b6e182e8e2 torvalds/linux@9ffb14e]
PR with this feature to criu: [https://github.com/checkpoint-restore/criu/pull/1721 #1721]
[[Category: Under the hood]]